American Institute of Architects Washington DC, modern building, glass and steel structure, sleek lines, abstract architecture, urban setting, daytime, clear blue sky, few puffy white clouds, pedestrians walking by, professional attire, suits and ties, briefcases, laptops, coffee cups, stairs leading to entrance, revolving doors, marble floors, minimalist interior design, natural light pouring in through large windows, subtle shadows, 3/4 composition, soft focus on background.